Best Lrv Contrast Calculator Apps

CONTRAST - Color Accessibility

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paid

Calculate the color contrast

$2.99

$4.99 | 40% OFF

This tool helps you measure the contrast between two colors to ensure your designs meet accessibility guidelines. It supports various color input formats and offers features like dark mode and color collections. It's ideal for designers looking to create inclusive digital experiences.

Color contrast measurementHex, RGB, HSB, CMYK inputColor preview

See the world together

Connect with sighted volunteersAI-powered image descriptionsCompany representative support

This app provides visual assistance for people who are blind or have low vision. It connects users with sighted volunteers, an AI-powered image describer, and company representatives for product support. Available 24/7 in multiple languages, it offers a comprehensive solution for everyday visual tasks.

WCAG Color Accessibility Tool

DAC Color Contrast Checker

WCAG Accessibility Tool

Construction Calculator A1

Construction calculator app

Concrete material quantity calculationRebar bending schedule and weight calculationFeet-inch arithmetic without decimal conversion

This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It offers material quantity estimation, unit conversion, and professional features like BOQ export and project organization. Designed for contractors, builders, and engineers on job sites worldwide.

📊 Productivity

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ad-supported

WCAG Contrast Checker

Color Accessibility Tester

🎨 Graphics & Design

Big Calculator & Currencies

Low Vision & Autism Friendly

Helps read, find, and navigate

Daisee - Low Vision Aid

Reads text aloudDescribes scenes and objectsLocates specific items

This app uses your iPhone's camera and AI to assist individuals with visual impairments. It can read text aloud, describe surroundings, locate objects, identify colors, and sense light levels, all through voice commands.

🏥 Medical

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ADA/IBC Compliance Calculator

by Listen Technologies Corporation

ADA and IBC compliance calculationAssistive Listening StandardsFacility requirement assessment

This tool simplifies understanding and calculating facility requirements for the Americans with Disabilities Act (ADA) and International Building Code (IBC) Assistive Listening Standards. It offers an easy-to-use calculator, helpful links, and product assistance to ensure compliance with accessibility design.

📊 Productivity

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Concrete Calculator Plus

by Inch Calculator

15 concrete estimation calculatorsEstimates cubic yards or bagsCalculates material costs

This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

A very useful area calculator

Calculate area of rooms, roofs, ceilingsAutomatic right angle correctionManual angle correction for any shape

Easily calculate the area of various shapes like rooms, roofs, and ceilings with a few taps. The app automatically corrects right angles and offers an option for manual angle correction to create any shape. It also allows for easy manipulation of angles and merging of walls.

Visual Assistance On Demand

On-demand visual interpretingRemote connection with professional interpretersLive video streaming and GPS integration

Connect with professional visual interpreters on demand to navigate your surroundings, read text, and accomplish tasks. An AI-powered image chat feature provides instant descriptions, with an option to verify with a human interpreter. Offers free minutes through partners and promotions.

🌟 Lifestyle

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free with in-app purchases

ROE Calculator

by ROE Visual Co., Ltd

Ballast calculationPixel and resolution calculationPower requirement analysis

This application provides essential technical calculations for LED screens, including ballast, pixel, and power requirement analysis. It's designed to be the ultimate tool for LED technicians during on-site work and production preparation.

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Projector Lens Calculator

The quickest lens calculator

$2.99

This utility app helps video technicians and projectionists quickly calculate essential projection parameters. It supports various aspect ratios and measurement systems, providing detailed information like throw ratio, screen size, and pixel density.

Calculate lens throw ratioCalculate screen sizeCalculate projector distance

Contrast test your camera feed

Live camera feed contrast testingWCAG color contrast ratio visualizationColor blindness simulation (Machado et al.)

Visualize accessibility guidelines by testing color contrast ratios using your device's camera. See how pixels fall outside WCAG standards and explore color blindness simulations.

🎨 Graphics & Design

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